US PATENT SUBCLASS 385 / 126
.~ Utilizing multiple core or cladding

Current as of: June, 1999
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385 /   HD   OPTICAL WAVEGUIDES

123  DF  OPTICAL FIBER WAVEGUIDE WITH CLADDING {3}
126.~ Utilizing multiple core or cladding {1}
127  DF  .~.~> Concentric {1}

DEFINITION

Classification: 385/126

Utilizing multiple core or cladding:

(under subclass 123) Subject matter wherein a single waveguide includes plural cladding or core layers.